Bull bar with square tube



FIG. 1 is a front perspective view of a bull bar with square tube showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a top plan view thereof.

The portions of the bull bar shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a bull bar with square tube, as shown and described. 